F - Mech Eng,Light,Heat,Weapons – 23 – D
Patent
F - Mech Eng,Light,Heat,Weapons
23
D
158/152
F23D 11/38 (2006.01) B01D 53/34 (2006.01) B05B 7/04 (2006.01) B05B 7/08 (2006.01)
Patent
CA 1273283
ABSTRACT OF THE DISCLOSURE An arrangement in a contact reactor is disclosed which incorporates a contact reactor chamber; one or more media-mixing nozzle assemblies distributed in the chamber, each nozzle assembly including a plurality of nozzles; a chamber inlet through which a medium laden with gaseous contaminants is introduced into the chamber; an outlet through which cleansed medium leaves the chamber. A first medium, in the form of a gas or a gas mixture, is mixed with a second medium, in the form of a liquid/absorbent suspension, and the resultant medium mixture is introduced into the chamber through the nozzles in the form of jets of medium. The medium mixture is there brought into contact with the contaminated medium. Each nozzle assembly is provided, in the vicinity of the exit orifices of the nozzles, with a means which is arranged to create a converging boundary layer around said nozzle assembly. The boundary layer is created by directing, along a wall surface, a gas or air jet or curtain having a velocity vector directed towards a center line of a complete nozzle assembly. This boundary layer intersects respective jet of medium within an angular range of 60-120 degrees, preferably within 80-100 degrees, between the center line of the respective jet of medium and the prevailing velocity vector of the boundary layer. Recycling of said jet of medium back to the wall surface of the nozzle assembly is totally or partially prevented.
506673
Jacobsson Per-Gunnar
Johansson Lars-Erik
Flakt Aktiebolag
Gowling Lafleur Henderson Llp
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